thanks john, i knew that. i just thought we could figure out when they switched from 8 hole to kidney shaped intakes. what was the last production date for the 8 hole and what was the first production date for the kidney shaped intake. sorry but i have a lot of time to waste on insignifiant data.

 lincoln/merc. y-blocks &mel's                                                               bucyrus, ohio.

Y/A

Thats an interesting question about the casting date of the 56 manifold and the 57 manifolds.

I believe that there were only 2 runs of the 1956 casting.

This belief is based upon the observation of two styles of the 56 manifold.The only real differences being the part number is cast on the bottoms in the majority of the 56 intake (same as the 57s) and another run where the part number is cast on the top side of the manifold.

Dating either of these is tough.

I have Ford documentation from May 7th referring to an earlier announcement that was made in latter April of 1956 regarding the dual quad race kits availiability.

So it appears that prior to or in April the 56 manifolds were manufactured.

Oldmics

hi, i found a spec. chart for 56 nascar in a july 56, motor life mag. it shows 56 ford, 230 hp, 292 2x4, 62 cc heads, EDB-B cam, 2-EDB-C carbs.  56 merc, 260 HP, 312 2x4, 62cc heads, ECZ-B CAM, 2- edb-c CARBS.             56 CHEVY, 225 hp 2x4, 54cc heads, cam 3711354-3711355, carbs 3730599-3720553.  i scan'd the sheet but i can't get it to download to attachments, i think it's to large, sorry.

 lincoln/merc. y-blocks &mel's                                                               bucyrus, ohio.

YA

Excellent information.I concur with all of the Ford/Mercury specs.I dont know about the "scrub" info but I would think that it is also correct.

That is a good piece of information that you have there.It took me years to find all that same info.

Not only do I have that info,I also have the majority of those parts N.I.B. 

 The 56 Mercury info you referenced was referred to as the M 260 setup. Check my avitar to see the original fender emblems for the M 260.

Oldmics

My manifold say 3 26 on it. I've been running it since 1971 now with injection. Looks like March was a popular month.

Mike, still lovin his 57 t'bird after 53 years!

Tech – factory dual quad intake

Here’s the updated list for the 32 ECG-D 2X4 intake manifolds that have dates.  No November intakes posted yet.  It would appear that there are still ~5,467 dual quad intakes left to document.

 

10-15-56 (JH)

 

12-5 (JH), 12-5 (RH), 12-6 (Marc), 12-13 (JH), 12-14 (Ted), 12-14 (EP), 12-17 (TD), 12-28 (JH)

 

1-9 (DK), 1-9 (NoShortcuts), 1-18 (JH), 1-22 (Ted), 1-22 (Genuinerod)

 

2-4 (JH), 2-28 (JH), 2-28 (EP)

 

3-6 (JH), 3-7 (JH), 3-8 (JH), 3-13 (JH), 3-13 (EP), 3-26 (Mike), 3-29 (Ted), 3-29 (EP)

 

5-28-57 (fakirone)

 

4-3 (JH)

 

6-3 (JH), 6-5-57 (Ted), 6-6-57 (JH), 6-6-57 (Flatrod), 6-10 (JH)

 

No date (CL),

Lorena, Texas (South of Waco)

There is a manifold currently on eBay that is listed as having a date of 5-8 cast on it.

http://www.ebay.com/itm/56-57-FORD-THUNDERBIRD-312-Y-BLOCK-DUAL-4-BARREL-INTAKE-MANIFOLD-ECG-9424-D-/170764676197?fits=Year:1957|Make:Ford&hash=item27c25e2c65&item=170764676197&pt=Vintage_Car_Truck_Parts_Accessories&vxp=mtr

Oldmics

Mine has a 1-6 date code on it.

58 Ford Custom 300 - San Pedro, CA (So-Cal)

easy

The date code on your manifold shows it to be manufactured on a Sunday.All the rest of the dates mentioned were done during a normal Monday thru Friday work week.

Would you be good enough to post a picture of that date code casting on your manifold?

Oldmics

Thanks. It was kinda hard to read and I was'nt sure which way the number's were facing. I guess it could also be 9-1 or 1-5. Like I said it was kinda hard to read. I'll post a pic when I get home from work.

58 Ford Custom 300 - San Pedro, CA (So-Cal)